Short answer: Drawback is CBP's refund of duties paid on imported goods that are later exported or destroyed. Under substitution drawback, you can even claim it using equivalent domestic goods. Most importers leave this money unclaimed because the recordkeeping looks daunting, but the claims are formulaic once the process is set up.
The basic idea
You import components, pay duty, then export the finished product or the unused goods. CBP refunds up to 99 percent of the duties paid. The logic is simple: duty is meant to tax domestic consumption, and goods that leave the country were never consumed here.
Drawback applies to unused merchandise drawback, goods exported in the same condition, and manufacturing drawback, imported components used to make exported articles. Most growing importers who export anything qualify under one of these, and many qualify without realizing it.
Substitution: the part most importers miss
Under substitution drawback, the exported goods do not have to be the exact imported units. You can substitute commercially interchangeable domestic goods: import steel, use domestic steel in the exported product, and claim drawback on the import duties. This is the provision that makes drawback practical for real supply chains.
The key term is "commercially interchangeable," and CBP interprets it through objective criteria, not your opinion. Document the interchangeability with specifications and part numbers. When the goods genuinely match, substitution turns drawback from a tracking nightmare into a manageable accounting exercise.
What the recordkeeping actually requires
The reputation for complexity comes from the old paper process. Modern drawback runs on records you mostly already keep: import entry data, bills of material, production records, and export documentation. The drawback claim ties imports to exports through these records, and drawback specialists or software handle the matching.
The critical habit is preserving export evidence: bills of lading, export declarations, and proof the goods left the country. Importers who cannot prove export cannot claim, no matter how clean the import records are. Build export documentation into your shipping process and the drawback claim assembles itself.
Deadlines and how far back you can go
Drawback claims generally must be filed within five years of the import, and accelerated payment options can get refunds flowing faster. The lookback is the opportunity most importers miss: if you have been exporting for years without claiming, there may be a significant refund waiting in your own records.
Do a one-time lookback analysis before setting up the ongoing process. Pull import and export records for the eligible period and have a drawback provider quantify the claim. Importers are routinely surprised by the size of the number, which is exactly why the ongoing process is worth building.
Getting started without drowning
Do not build this in-house first. Engage a drawback specialist or broker for the initial claim: they will set up the recordkeeping template, file the required notices, and quantify the opportunity. The fees are typically a share of the recovery, so the engagement funds itself.
Then operationalize it. Assign one owner, usually in finance or trade compliance, and make drawback documentation part of the standard import and export checklists. The importers who recover the most are not the ones with the cleverest claims. They are the ones whose records are complete every month, so every eligible dollar gets claimed.
How much of the duty can we recover?
Up to 99 percent of the duties paid, minus a small CBP processing fee. The exact recovery depends on the claim type and documentation.
Does drawback apply to Section 301 duties?
Drawback rules for trade-remedy duties have specific limitations and have changed over time. Confirm current eligibility for your duty types with your broker before counting on the recovery.